Zones

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Lucy (Zone 8a) Aug 31, 2001

Is zone 8 in OR similar to zone 8 in GA? I see some great plants on the photo forum from zone 8 in different parts of the country and wonder if I can grow them in OR. I see people talking about different kinds of hot between FL and TX. I usually think of the zone as a guide to how cold it gets, but if it's only cold for a few days rather than a few weeks, that would make a huge difference.

Does this make any sense, do you know what I'm talking about?

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Zanymuse Scotia, CA(Zone 9b) Aug 31, 2001

The question makes sense to me but I don't know the answer! I think it might make a slight difference but I doubt it would be drastic. But the humidity differences could make a big difference in your results. Although I live in a mild climate our frequent fogs in the late evenings and early mornings cause a lot of problens for some plants even though the temperatures are fine.

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dk Aug 31, 2001

Yes, the amount of cold could make a difference, but not in your ordinary flowering plants. Generally only in fruit trees. If you see something then try it. There is absolutely nothing better to help you than experience. I will try a new plant and if it doesn't do well, then I will move it to a new location. I usually give a plant three moves before I decide it is not for me.
The zone numbers you are talking about (as you know) tell the cold ranges. There is a new map that lists heat zones. This is figured on the average number of days above a certain temperature (I think 86 degrees). This really helps if you can find a catalog that will list the usda zone and the heat zone for plants. It isn't that widely used yet though.

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Lucy (Zone 8a) Sep 01, 2001

Thank you for your coments Zanymuse and dk.

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